1. Drag chain element The drag chain element is a single node element that models a simplified contact between a drag chain and the seafloor. 1.1. Data group identifier, one input line NEW COMPonent DRAGchain 1.2. Component type identifier, one input line CMPTYP-ID CMPTYP-ID: character(8): Component type identifier 1.3. Drag chain element properties, one input line LDC WDC FRDC LCAB WCAB LDC: real: Drag chain length \(\mathrm {[L]}\) WDC: real: Drag chain weight \(\mathrm {[F/L]}\) FRDC: real: Chain / seafloor friction coefficient \(\mathrm {[1]}\) LCAB: real, default: 0: Cable length \(\mathrm {[L]}\) WCAB: real, default: 0: Cable weight \(\mathrm {[F/L]}\) Soil (PISA) Marine growth